The index of heron population

01 March 1950
Comments Main paper The number of heronries on which reports for 1949 were received at the Edward Grey Institute was 162, or 16 more than in the previous year. Of these 117 were in England, 9 in Wales, 17 in Scotland and 19 in Ireland. We are indebted to 79 informants of who...
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The Behaviour Of Corn-Crakes

01 March 1950
Comments Main paper MASON DURING the past few years the writer, with the help of friends, has carried out a series of experiments with Corn-Crakes {Crex crex) The experiments consist in calling up Corn-Crakes to a stuffed dummy by imitating the " crake-crake " song with a p...
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Letters

01 January 1938
Comments Letters SIRS,---Miss Hibbert-Ware (Little Owl Inquiry, antea, pp. 215-216) prefaces her remarks on Little Owls 011 Skokholm Island, Pembrokeshire, with the w o r d s : " T h e following incident seems, however, t o contradict these conclusions [that t h e Little ...
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